{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467492050",
    "entityType": "User",
    "nonce": "0xb7a9a62c81db7fc1f37c4a969d8471eb9f5bf18bad04a5fcf9265d5a2ec51178",
    "signature": "0xb9bd5ce04d84f4f78628afaba45be555b23e9f0ce01547b4ce1f16485f20f2dd263954e34399b879a8e93c8d0cee3f546287ef2e62418e35419a81956fc33c5b1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}